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Palaeontologists found a cluster of small fossilised raptors at the site (Image: TSU/The Siberian Times)

The team is from the Tomsk State University (Image: TSU/The Siberian Times)

It is thought that scientists have either unearthed a nursery where babies spent the first stage of their lives or that the raptors are actually a new species.

The researchers are now working on a theory that a ‘refugium’ existed close to the site where some Jurassic species survived for millions of years longer than elsewhere on the planet.

It is thought that a dinosaur playground has been uncovered (Image: TSU/The Siberian Times)

The remote and isolated site where the remains were found (Image: TSU/The Siberian Times)

Palaeontologist Stepan Ivantsov of Tomsk State University told the Siberian Times : “We have an assumption that in Early Cretaceous times in the southeast of Western Siberia there were some dominant species of large predatory dinosaurs like Allosaurus or large Dromaeosauridae, up to three metres tall.

The discoveries were made in Siberia (Image: The Siberian Times)

“I wanted to find the evidence of their existence, but this year we came across the remains of only small animals, up to one metre in height and 1.5 metres long with the tail.

"The reasons are not clear yet. Perhaps it was a kind of 'kindergarten' - an area where the babies appeared and spent the first stage of their life.

They also found a Stegosaurus spike and some teeth after previously uncovering carnivorous dinosaurs in the area – which is known as Bolshoy Kemchug-4.

Stegosaurus teeth were found in the area (Image: Wikimedia)

Scientists also discovered this spike from the herbivorous dinosaur (Image: TSU/The Siberian Times)

Dr Ivantsov added: “A feature of this family of herbivorous dinosaurs were the bony plates on its back and the two pairs of spikes on the tail.